17 and <=33]]> China, North Korea, South Korea TS 13273261 2638559 10615900 18802 33 and <=43]]> North Korea, South Korea CAT. 1 97303 0 94280 3023 43 and <=50]]> CAT. 2 0 50 and <=58]]> CAT. 3 0 58 and <=70]]> CAT. 4 0 70 and <=1000]]> CAT. 5 0